**12, 36 and 72**.

Use words like

**"Factor", "Multiples", "Prime Numbers", "LCM", "HCF"**, etc to help describe the relationship.

The relationships are as follow:

- All 3 numbers are positive
- They are all even numbers
- The common factors for these numbers are: 2, 3, 4, 6, 12
- Highest common factor is 12
- Lowest common multiple is 2 x 2 x 3 x 3 x 2 = 72

**The proper working is as shown:**

**What did the groups say?**

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